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All Quantitative Aptitude Interview Questions

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Total Questions: 69Topics: 20Complete interview preparation

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All Quantitative Aptitude Interview Questions (69)

Scroll through every important Quantitative Aptitude question asked in real interviews. Includes MCQs, subjective questions, and coding prompts.

1. No. of vacant flats in building C and D together are approximate what percentage of no. of occupied flats in building D and E together.

Difficulty: MediumType: MCQTopic: Data Interpretation

(180 + 220) / (380 + 220) × 100 = 66.67% ≈ 67%

Correct Answer: 67%

2. What is the respective ratio of occupied flats in building A and E together to vacant flats in C and D together?

Difficulty: MediumType: MCQTopic: Data Interpretation

23 : 20
17 : 19
5 : 4
11 : 17
15 : 23

(240 + 220) / (180 + 220) = 460 / 400 = 23 : 20

Correct Answer: 23 : 20

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All Quantitative Aptitude Interview Questions

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1. No. of vacant flats in building C and D together are approximate what percentage of no. of occupied flats in building D and E together.

2. What is the respective ratio of occupied flats in building A and E together to vacant flats in C and D together?

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3. Average no. of vacant flats in building A and E is what percentage of occupied flats in building C?

4. Total flats in building B and D together are how much more or less than that in building A and C together?

5. If 3 people live in each occupied flat of building A and 2 people live in each occupied flat of building B, then find total number of people living in building A and B.

6. 0.2, 2.7, 7.7, 15.2, ?, 37.7

7. 15, 60, 210, 630, 1575, ?

8. 45, 49, 40, 65, 16, ?

9. 4, 9, 28, ?, 566, 3397

10. 22, 30, 41, 56, ?, 102

11. What is the total no. of students in group Y of all the classes?

12. No. of students in group X of class B are what percentage of no. of students in group Y of class C?

13. There are total 34 girls in class A. If 12 girls are in group X, then find the number of boys in group Y and Z together in class A.

14. Total no. of students in group X is how much more or less than that in group Z?

15. Find the respective ratio between average students in group X in class A and B to total students in class C.

16. Ratio between length of trains A and B is 3 : 5. Speed of train A is 72 km/h and that of train B is 54 km/h and they are running opposite to each other. If train A crosses train B in 16 seconds, then find length of train B.

17. The perimeter of circle of radius 28 cm is 32 cm more than perimeter of square. Find the area of the square.

18. A boat in upstream can travel 5 km in 30 minutes. If the speed of the stream is 1.5 kmph, then find the total distance covered by the boat when it takes 46 hours to travel from A to B and return.

19. Difference of interest received when a sum is invested at 15% p.a. at SI for two years and when invested at 20% p.a. for one year compounded half yearly is Rs 432. Find the sum.

20. In an election only two candidates participate. Candidate P got 50% less votes than Q. Had Q got 200 votes less, there would have been a tie. What is 8 times the number of total votes polled?

21. A pen was marked up by 50% above cost price and allowed Rs 100 discount on marked price. If shopkeeper still made a profit of Rs. 100, then find the selling price of the pen (in Rs.)?

22. A container contains total 120 liters mixture of milk and water in which quantity of water is 20 liters. If 36 liters mixture is taken out and 6 liters milk added, then by what percent (approx.) is water less than milk in the final mixture?

23. A and B start a partnership with Rs. 35000 and Rs. 40000. After six months C joins. At year-end C’s profit share is Rs. 9000 out of total profit Rs. 39000. Find C’s investment.

24. Pipes A & B together fill half of a tank in 7 hours. Pipe C empties 40% of the tank in x hours. When all three are opened together, tank fills in 26¼ hours. Find x.

25. Average present age of A & B is 30. C is four years older than A. Four years ago A:C = 3:4. Find sum of ages of A, B & C five years hence.

26. 512 ÷ ? × 6 = 192

27. (48% of 625) ÷ 0.75 = ?

28. 65% of 480 - ? + 175 = 350

29. 45 + 20% of ? = 460/4

30. (4)? × 2 = (16)² / √16 × 4

31. 4 × (? + 120) = (8)³

32. 56 / ? + (8)³ = 13% of 4000

33. (4/3 × 12) + (1/3 × 4) – ? = √64 × 3

34. 756 ÷ 14 × 5 – √7921 = ?

35. 462 ÷ 5.25 + 24 × 12 = ?

36. I. 2x² + 9x – 45 = 0 II. 4y² + 19y + 22 = 0

37. I. 5x² – 6x – 56 = 0 II. 6y² + 9y – 42 = 0

38. I. x² – 8x + 15 = 0 II. y² – 12y + 36 = 0

39. I. x² – 7x + 12 = 0 II. 3y² – 11y + 10 = 0

40. I. x² – 7√3 x + 36 = 0 II. y² – 11√3 y + 84 = 0

41. If total number of women visiting S is 10% more than total number of men visiting T, then find the ratio of total number of men visiting P to total number of women visiting S?

42. If total number of children visiting R is 60% less than the total number of women visiting that super market, then find the number of men visiting R?

43. If total number of children visiting S is equal to total number of children visiting Q, then find the difference between number of children visiting S and total number of children visiting T?

44. Total number of women visiting R is what percent of total number of men visiting P?

45. Total number of children visiting Q is what percent more or less than the total number of male visiting S?

46. 25% of 360 + 12.5 × 4 = ?² + 40

47. 324 + ?² = 40% of 1450

48. 56/7 + (8)³ = 13% of 4000

49. ?³ × 6 + ³√512 = 170

50. 4 3/12 + 1 3/4 − ? = ³√64

51. 40% of 900 – 421 + 350 ÷ 272 = (?)²

52. 4³ × 32² ÷ 8³ = (2)ⁿ

53. 8⁴ of 143 ÷ 26 × 12 − 200 = ?

54. 5½ − 4⅓ = ? − 4

55. 49% of 180 − 70% of 120 = 9 − ?

56. 28% of 450 + 36% of 250 = ?

57. √784 + 15 × 4 − 68 = ?

58. (3/5 of 240) ÷ (12 × 2) = ?

59. 125% of 96 − 48 = ?

60. The ratio between the length and the breadth of a rectangle is 9:5 respectively. If the perimeter of the rectangle is 84 cm, then find the area of the rectangle?

61. Raju spent Rs.5000 on his mother’s medicine, Rs.10000 on food and the remaining 40% of the total amount he had as cash with him. What was the total amount?

62. A train covers a certain distance in 12 hours at the speed of 90 km/hr. Find the average speed of a bus, which travels a distance of 240 km more than the train in the same time?

63. At present P is three times Q’s age and after five years, P’s age will be twice Q’s age. What will be P’s age after 10 years?

64. Six girls can complete a piece of work in 5 days, whereas 10 boys take 4 days to complete the same work. In how many days can 3 girls and 6 boys together complete the work?

65. Suraj sold an item for Rs.1600 and incurred a loss of 20%. At what price should he have sold the item to gain a profit of 30%?

66. The average of 6 consecutive even numbers is 13. What is the product of the greatest and lowest numbers among them?

67. The compound interest accrued on an amount at the end of 3 years at the rate of 20% per annum is Rs.5824. What is the amount?

68. 80 L of a mixture of milk and water contains 20% water. How much water must be added to make the water 50% in the mixture?

69. A, B and C invest in a business proportional to their investment periods. A invests Rs.20000 for 12 months, B invests Rs.25000 for 6 months and C invests Rs.30000 for 8 months. Find the share of profit of A and B respectively if total profit is Rs.42000.

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